
    body {
      background-color: rgba(242, 242, 246, 1);
    }

    .wf-big-box {
      position: relative;
      margin: 160px auto 0;
      width: 542px;
      height: 474px;
      border-radius: 5px;
      background-color: rgb(255, 255, 255);
      transition: all 0.5s;
      transform: rotateY(0);
      backface-visibility: visible;
    }

    .wf-center-box {
      padding: 15px 80px;
      transform: rotateY(0deg);
      backface-visibility: visible;
    }

    .wf-center {
      font-size: 26px;
      font-weight: 700;
    }

    .wf-form>h4 {
      font-size: 20px;
      margin-top: 20px;
      font-weight: 700;
    }

    .wf-input {
      width: 100%;
      height: 46px;
      line-height: 46px;
      text-decoration: none;
      padding-left: 10px;
      outline: none;
      font-size: 18px;
      border: none;
      border: 1px solid #aaa;
      border-radius: 5px;
    }

    .wf-remember {
      width: 100%;
      height: 30px;
    }

    .wf-remember input {
      float: left;
      width: 20px;
      height: 20px;
    }

    .wf-remember h4 {
      padding-left: 30px;
      font-size: 14px;
      line-height: 28px;
    }

    .wf-login-btn {
      width: 100%;
      height: 46px;
      border: none;
      color: white;
      background-color: rgba(115, 86, 241, 1);
      margin: 20px 0 10px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 6px;
    }

    .wf-register {
      color: rgb(0, 0, 255);
    }

    .wf-back-register {
      width: 100%;
      position: absolute;
      top: 0;
      transform: rotateY(180deg);
      backface-visibility: hidden;
    }